]> git.ipfire.org Git - thirdparty/kernel/stable.git/commit
mmc: sdhci-pxav3: set NEED_RSP_BUSY capability
authorKarel Balej <balejk@matfyz.cz>
Mon, 10 Mar 2025 14:07:04 +0000 (15:07 +0100)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 10 Apr 2025 12:39:38 +0000 (14:39 +0200)
commit1209241a6b40c8fff985a32fcaa75e174d37ff5f
tree34ed0c1930a44fbdb32b001f45e0cef6ca730c88
parentb548a448993ac2b8cb0ec64e9353cfdf6d2f79a9
mmc: sdhci-pxav3: set NEED_RSP_BUSY capability

commit a41fcca4b342811b473bbaa4b44f1d34d87fcce6 upstream.

Set the MMC_CAP_NEED_RSP_BUSY capability for the sdhci-pxav3 host to
prevent conversion of R1B responses to R1. Without this, the eMMC card
in the samsung,coreprimevelte smartphone using the Marvell PXA1908 SoC
with this mmc host doesn't probe with the ETIMEDOUT error originating in
__mmc_poll_for_busy.

Note that the other issues reported for this phone and host, namely
floods of "Tuning failed, falling back to fixed sampling clock" dmesg
messages for the eMMC and unstable SDIO are not mitigated by this
change.

Link: https://lore.kernel.org/r/20200310153340.5593-1-ulf.hansson@linaro.org/
Link: https://lore.kernel.org/r/D7204PWIGQGI.1FRFQPPIEE2P9@matfyz.cz/
Link: https://lore.kernel.org/r/20250115-pxa1908-lkml-v14-0-847d24f3665a@skole.hr/
Cc: stable@vger.kernel.org
Signed-off-by: Karel Balej <balejk@matfyz.cz>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Tested-by: Duje Mihanović <duje.mihanovic@skole.hr>
Link: https://lore.kernel.org/r/20250310140707.23459-1-balejk@matfyz.cz
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/mmc/host/sdhci-pxav3.c